#### Answer

$3,628,800$

#### Work Step by Step

Expanding the factorial gives: $10! = 10 \times 9 \times 8\times 7 \times 6\times 5\times 4 \times 3 \times2 \times 1$
$10 \times 9 \times 8\times 7 \times 6\times 5\times 4 \times 3 \times2 \times 1 = 3628800$